Rifle magazine cap



FIG. 1 is an end elevational view of a rifle magazine cap embodying my new design;

FIG. 2 is a plan view of the rifle magazine cap;

FIG. 3 is a side elevational view of the rifle magazine cap;

FIG. 4 is a plan view of the rifle magazine cap; and,

FIG. 5 is an end elevational view of the rifle magazine cap. 

The ornamental design for a rifle magazine cap, as shown. 